i.MX 8M MINI DEV board hardware reset

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i.MX 8M MINI DEV board hardware reset

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piotr_budzynski
Contributor I

I need to be able to reset i.MX 8M MINI DEV board using external digital signal the same way as the reset button resets it.

1. Can I solder to TP407 pad and use it for resetting purpose?

2. If yes, where is this TP407 pad?

I have looked for it on the board, but could not find it.

I know I should use one of desing board files to identify its location, but I would also like to avoid installing software only for this purpose. Can anyone help please?

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weidong_sun
NXP TechSupport
NXP TechSupport

Hi Piotr Budzyński,

  On our i.MX8M MINI EVK board, I didn't find TP407 you mentioned. But if you want to reach RESET purpose, you can do like this:

1. Reset CPU through PMIC

pastedImage_1.png

2. RESET CPU through JTAG Hearder

pastedImage_2.png

3. Warm reset CPU

If system is not in suspend mode, you can reset CPU via POR_B directly.

pastedImage_3.png

Hope above advice is helpful to you.

Have a nice day!

B.R,

Weidong

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